| Computer Code: |
BOBBF |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Pleistocene Epoch (QP)
— Pleistocene Epoch (QP) |
| Lithological Description: |
Clayey sand gravel |
| Definition of Lower Boundary: |
Erosional on bedrock. |
| Definition of Upper Boundary: |
Present land surface |
| Thickness: |
Member 2 to 5 m thick |
| Geographical Limits: |
Limited to a single small outcrop on the western flank of Wroxall Brook valley, southeast Isle of Wight |
| Parent Unit: |
Eastern Yar River Formation (EYAR)
|
| Previous Name(s): |
Gravel Terraces
(-715)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Single elongate outcrop south of Bobberstone Farm |
| Reference(s): |
| Hopson, P M, and Farrant A R. 2014. Geology of the Isle of Wight - a brief explanation of the Isle of Wight Special Geological Map Sheet. Sheet Explanation of the British Geological Survey. Parts of 1:50 0000 Sheets 330 (Lymington), 331 (Portsmouth), 344 (Chale) and 345 (Ventnor) (England and Wales) |
| British Geological Survey. 2013. Isle of Wight. England and Wales Special Sheet incorporating parts of sheets 330, 331, 344, 345. Bedrock and Superficial Deposits. 1:50 000. (Keyworth, Nottingham: British Geological Survey.) |
| White, H J O. 1921. A short account of the geology of the Isle of Wight. Memoir of the Geological Survey of Great Britain, (1994 reprint). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
